Name the intermediate from the citric acid cycle that is the starting preca d th
ID: 257158 • Letter: N
Question
Name the intermediate from the citric acid cycle that is the starting preca d the CltHe acid cycle. each of the com intermediates: oxaloacetate, a-ketoglutarate, succiny A. aspartate B. porphyrin for heme C. asparagine D. glutamine pounds listed below. Choose from the following citric acid cy e. glucose f. glutamate g. phosphoenolpyruvate h. uracil 4. Match each of the enzymes listed with its regulatory properties. Enzyme Regulation i. Pyruvate dehydrogenase a. allosteric activation by ADP; complex ii. Citrate synthase iii. isocitrate dehydrogenase c iv. a-ketoglutara inhibited by NADH, succinyl CoA b. inhibited by succinyl CoA, ATP c. stimulated by AMP, inhibited by ATP d. stimulated by ADP, inhibited by ATP te dehydrogenase complex Discuss the similarities and differences of the pyruvate dehydro and the ?-ketoglutarate dehydrogenase complex. genase complex 5.Explanation / Answer
1) aspartate - oxaloacetate
2) porphyrin - Succinyl CoA.
3) asparagine - oxaloacetate
4) glutamine - alpha keto glutarate.
5) glucose - oxaloacetate.
6) glutamate - alpha keto glutarate.
7) phosphoenolpyruvate - oxaloacetate.
8) uracil - oxaloacetate.
2) i) pyruvate dehydrogenase complex- activated by AMP, inhibition by ATP.
ii) Citrate synthase - activation by ADP, inhibition by NADH, Succinyl CoA,
iii) isocitrate dehydrogenase - ADP stimulate, ATP inhibit.
iv) alpha ketoglutarate dehydrogenase complex - inhibited by Succinyl CoA and ATP.
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